Hardened & Ground Flanged Beam Try Square

• Used to check Squareness & straightness. • Accuracy for Squareness & Flatness is within ±0.010 mm. / 150H.• Made from single piece high quality tool steel.• Inside & outside are accurate right angles.• A groove on the inner corner of the stock, aids in the clearance of burr or dirt. • Hardness 60 ± 2 Rc. • Packed in individual wooden box.